Author Archives: alex

Exim Mail-Server with Microsoft (Office) 365 and TLS errors

By | 2020-05-08

In the last days I got several calls, that I cannot receive emails from NetApp. After some debugging I found out, that my exim mailserver seems to refuse mails from NetApp which are received via some *.outlook.com domains: 2020-05-08 15:34:00 TLS error on connection from mail-db8eur05olkn2014.outbound.protection.outlook.com (EUR05-DB8-obe.outbound.protection.outlook.com) [40.92.89.14] (recv): Error in the pull function. 2020-05-08… Read More »

VMware vCenter Server Appliance Monitoring

By | 2019-11-27

In the last years we had multiple problems with our VMware vCenter Server Appliances, because for example the filesystem for the SEAT database ran full. Without having a look at the appliance management interface, you will have to spend much time for debugging your problems. To prevent these kind of problems, I’ve written some scripts… Read More »

Nagios / Icinga Monitoring for NetApp Solidfire/ H-Series

By | 2019-11-20

For NetApp Solidfire aka H-Series (ElementOS) there’s a Techical-Report, how to get your capacity and performance data into nice Grafana dashboards. That’s pretty cool, but Grafana itself cannot do any alarming. We are still using Nagios or Iciniga for our monitoring and alarming, so we needed a solution how to include the Solidfire storages into… Read More »

NetApp FabricPool

By | 2019-04-08

Today in the talk: NetApp FabricPool. Or: “Bridging (All-Flash) FAS systems with the hybrid cloud(s)”. Introduction With NetApp FabricPool you can attach a S3 storage (NetApp StorageGRID, Amazon S3 or any other compatible) to an All-Flash FAS system and make it’s aggregates hybrid thereby. It could be used to move your cold data (i.e. snapshot… Read More »

NetApp ONTAP Select for VMware Datastores

By | 2019-02-08

For small environments, VMware’s software defined storage ‘vSAN’ is a very nice for solution for a shared storage between multiple hypervisors, which gives you the ability to use enterprise features like HA and DRS. But if your environment is too small, you may got a few problems because vSAN needs some requirements: at least one… Read More »

NetApp StorageGRID Webscale: Automated Deployment

By | 2018-10-02

A few months after our first NetApp StorageGRID Webscale PoC we came back for another PoC. This time: Virtual Appliances on VMware vSphere. A perfect solution for small environments and if you already have a virtual environment. After modifying some scripts, the deployment was really easy and fast: a 5-Node cluster including Gateway- and Admin-Node in… Read More »